/*
 * Copyright (C) 2007-2010 Geometer Plus <contact@geometerplus.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

package org.geometerplus.zlibrary.core.options;

import org.geometerplus.zlibrary.core.util.ZLColor;

public final class ZLColorOption extends ZLOption {
    private final ZLColor myDefaultValue;
    private ZLColor myValue;

    public ZLColorOption(String group, String optionName, ZLColor defaultValue) {
        super(group, optionName);
        myDefaultValue = (defaultValue != null) ? defaultValue : new ZLColor(0);
        myValue = myDefaultValue;
    }

    public ZLColor getValue() {
        if (!myIsSynchronized) {
            String value = getConfigValue(null);
            if (value != null) {
                try {
                    int intValue = Integer.parseInt(value);
                    if (myValue.getIntValue() != intValue) {
                        myValue = new ZLColor(intValue);
                    }
                } catch (NumberFormatException e) {
                    // System.err.println(e);
                }
            }
            myIsSynchronized = true;
        }
        return myValue;
    }

    public void setValue(ZLColor colorValue) {
        if (colorValue != null) {
            final boolean sameValue = myValue.equals(colorValue);
            if (myIsSynchronized && sameValue) {
                return;
            }
            if (!sameValue) {
                myValue = colorValue;
            }
            myIsSynchronized = true;
            if (colorValue.equals(myDefaultValue)) {
                unsetConfigValue();
            } else {
                setConfigValue("" + colorValue.getIntValue());
            }
        }
    }
}
